Scilab keyword
Last update : April 1993

alufunctions - pixel drawing functions

### Description

src is the source ie the "value of the pixel" which we want to draw. dst is the destination ie "value of the pixel" which is already drawn.

  - 0: clear ie "0"
  - 1: and ie "src AND dst"
  - 2: and reverse ie "src AND NOT dst"
  - 3: copy ie "src"
  - 4: and inverted ie "(NOT src) AND dst"
  - 5: noop ie "dst"
  - 6: xor ie "src XOR dst"
  - 7: or ie "src OR dst"
  - 8: nor ie "(NOT src) AND (NOT dst)"
  - 9: equiv ie "(NOT src) XOR dst"
  - 10: invert ie "NOT dst"
  - 11: or reverse ie "src OR (NOT dst)"
  - 12: copy inverted ie "NOT src"
  - 13: or inverted ie "(NOT src) OR dst"
  - 14: nand ie "(NOT src) OR (NOT dst)"
  - 15: set ie "1"